CVE-2017-8413 : Security Advisory and Response

A vulnerability has been found in D-Link DCS-1100 and DCS-1130 devices due to a flaw in the custom daemon 'dldps2121'. This vulnerability allows unauthorized execution of commands on the device without authentication.

Understanding CVE-2017-8413

This CVE describes a security issue in D-Link devices that can be exploited to execute commands without proper authentication.

What is CVE-2017-8413?

The vulnerability in D-Link DCS-1100 and DCS-1130 devices allows third-party applications to execute commands on the device without authentication by sending a specially crafted UDP packet.

The Impact of CVE-2017-8413

The vulnerability poses a significant security risk as it enables unauthorized parties to execute commands on the affected devices, potentially leading to unauthorized access and control.

Technical Details of CVE-2017-8413

This section provides detailed technical information about the vulnerability.

Vulnerability Description

The flaw in the custom daemon 'dldps2121' allows attackers to send a UDP packet with custom base64 encoding, triggering the execution of commands without authentication.

Affected Systems and Versions

Affected devices: D-Link DCS-1100 and DCS-1130
Versions: Not specified

Exploitation Mechanism

The custom protocol used by D-Link devices follows a specific pattern for packet processing, allowing execution of commands without authentication.

Mitigation and Prevention

Protecting systems from this vulnerability requires immediate actions and long-term security practices.

Immediate Steps to Take

Disable UDP port 5978 on the affected devices if not essential for operations.
Implement network segmentation to isolate vulnerable devices.
Monitor network traffic for any suspicious activities.

Long-Term Security Practices

Regularly update firmware and apply security patches provided by D-Link.
Conduct security assessments and penetration testing to identify and address vulnerabilities.

Patching and Updates

Stay informed about security advisories from D-Link and apply patches promptly to mitigate the risk of exploitation.